Color

#1bbb58

#1bbb58
hex#1bbb58
rgbrgb(27, 187, 88)
hslhsl(143, 75%, 42%)
oklchoklch(0.694 0.186 149.6)
Closest name: Intoxicate (#11bb55)Relative luminance 0.3648

Colors that go with #1bbb58

Charcoal, Royal Blue and Taupe lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bb1b7e

#2ebb1b · #1bbba9

#581bbb · #bb581b

Split-complementary

Open in tool →

#a91bbb · #bb1b2e

#1b2ebb · #bb1b7e · #bba91b

Contrast

#1bbb58 as textRatioAAAA largeAAAFix
Aaon white
2.53:1failfailfail
  • AA: use #13863f as the text (4.66:1)
  • AAA: use #0e622e as the text (7.49:1)
  • AA: or shift the background to #383838 (4.63:1)
  • AAA: or shift the background to #171717 (7.08:1)
Aaon black
8.3:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1bbb58 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #1bbb58
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1bbb58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bbb58-a2beb0-c859d4-1f2d2b-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md